Authentication to lilypad failed

Code (text):

ctNioByteChannel.java:120)
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:489)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
        at java.lang.Thread.run(Thread.java:722)
 
 
java.lang.NullPointerException
        at lilypad.server.proxy.net.ProxySession.inboundAuthenticate(ProxySession.java:68)
        at lilypad.server.proxy.net.ProxyInboundHandler$1.run(ProxyInboundHandler.java:126)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)

Distributed set up Rotating DNS, one IP works fine the other causes this error.

198.12.15.227 << IP that fails
198.12.12.3 << IP that has no issues

Also any server running on the 227 IP lilypad fails to authenticate if joining from the 3 ip

"servers": [
{
"domain": "*",
"server": "hub"
}